1/* 2 [The "BSD license"] 3 Copyright (c) 2005-2009 Terence Parr 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions 8 are met: 9 1. Redistributions of source code must retain the above copyright 10 notice, this list of conditions and the following disclaimer. 11 2. Redistributions in binary form must reproduce the above copyright 12 notice, this list of conditions and the following disclaimer in the 13 documentation and/or other materials provided with the distribution. 14 3. The name of the author may not be used to endorse or promote products 15 derived from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28package org.antlr.runtime; 29 30/** A Token object like we'd use in ANTLR 2.x; has an actual string created 31 * and associated with this object. These objects are needed for imaginary 32 * tree nodes that have payload objects. We need to create a Token object 33 * that has a string; the tree node will point at this token. CommonToken 34 * has indexes into a char stream and hence cannot be used to introduce 35 * new strings. 36 */ 37public class ClassicToken implements Token { 38 protected String text; 39 protected int type; 40 protected int line; 41 protected int charPositionInLine; 42 protected int channel=DEFAULT_CHANNEL; 43 44 /** What token number is this from 0..n-1 tokens */ 45 protected int index; 46 47 public ClassicToken(int type) { 48 this.type = type; 49 } 50 51 public ClassicToken(Token oldToken) { 52 text = oldToken.getText(); 53 type = oldToken.getType(); 54 line = oldToken.getLine(); 55 charPositionInLine = oldToken.getCharPositionInLine(); 56 channel = oldToken.getChannel(); 57 } 58 59 public ClassicToken(int type, String text) { 60 this.type = type; 61 this.text = text; 62 } 63 64 public ClassicToken(int type, String text, int channel) { 65 this.type = type; 66 this.text = text; 67 this.channel = channel; 68 } 69 70 public int getType() { 71 return type; 72 } 73 74 public void setLine(int line) { 75 this.line = line; 76 } 77 78 public String getText() { 79 return text; 80 } 81 82 public void setText(String text) { 83 this.text = text; 84 } 85 86 public int getLine() { 87 return line; 88 } 89 90 public int getCharPositionInLine() { 91 return charPositionInLine; 92 } 93 94 public void setCharPositionInLine(int charPositionInLine) { 95 this.charPositionInLine = charPositionInLine; 96 } 97 98 public int getChannel() { 99 return channel; 100 } 101 102 public void setChannel(int channel) { 103 this.channel = channel; 104 } 105 106 public void setType(int type) { 107 this.type = type; 108 } 109 110 public int getTokenIndex() { 111 return index; 112 } 113 114 public void setTokenIndex(int index) { 115 this.index = index; 116 } 117 118 public CharStream getInputStream() { 119 return null; 120 } 121 122 public void setInputStream(CharStream input) { 123 } 124 125 public String toString() { 126 String channelStr = ""; 127 if ( channel>0 ) { 128 channelStr=",channel="+channel; 129 } 130 String txt = getText(); 131 if ( txt!=null ) { 132 txt = txt.replaceAll("\n","\\\\n"); 133 txt = txt.replaceAll("\r","\\\\r"); 134 txt = txt.replaceAll("\t","\\\\t"); 135 } 136 else { 137 txt = "<no text>"; 138 } 139 return "[@"+getTokenIndex()+",'"+txt+"',<"+type+">"+channelStr+","+line+":"+getCharPositionInLine()+"]"; 140 } 141} 142